| Farmer | Varieties concerned | Criteria |
| JD | Narguilé | Elimination of the smuty plants during cultivation. Selection on health, maturity and height (good to be harvested by hand). “Non falling” ears were prefered. |
| It | All the varieties | Preference for vitreous grain because it’s the use of the place. |
| EJ | Italien | Selection on health, maturity (earliest ears) and color (yellow grain, no white). |
| CS | Bianco | Selection on early maturity as principle criterion. About 200 ears collected every year (strong bottleneck). |
| CS | GRB | Selection on maturity, health and size (big ears were chosen). |
| JLB | Sponcio | Selection on the “beautifulness”: regularly shaped, straight rows, well filled and mature ears. Ears without long spathes were preferred. |
| BJ | Italien | Selection on maturity, health, good fecundation and standing |
| AD | GRB and Narguilé | Selection on health, fecundation, height and plant standing. |